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Pontiac Turbo-Hydramatic Transmission

(M-40) Range Selector



Illustrated Parts Break Down

Cut Away View


Pump, Fwd & Direct Clutch, Center Support

Case Extension & Planet Carrier

Front & Rear Servos Control valve


1) Lever & Pin assy., Parking lock inside detent

2) Roller & Spring, Parking lock manual detent

3) Retainer, Parking lock pawl (1/4" Dia.)

4) Pawl, Trans parking lock

5) Shaft, Parking lock pawl

6) Seal, Parking lock pawl shaft "O" ring

7) Spring, Parking lock pawl return

8) Actuator assy, Parking lock

9) Bracket, Parking lock

1965-72 Pontiac Turbo-Hydramatic Transmission (M-40) Exploded View

10) Bolt, Bracket to case (5/16"-18 x 3/4")

11) Lever, Range selector - outer

12) Nut, Lever to shaft (3/8"-16)

13) Nut, Manual shaft to lever & pin (3/8"-24)

14) Ring, Actuator to lever & pin (1/4" Dia.)

15) Seal assy, Manual shaft (w/Counterbore Case)

16) Shaft, Range selector manual (w/Counterbore Case)

17) Shaft, Range selector manual (Exc. Counterbore Case)

18) Seal, Manual shaft (Exc. Counterbore Case)

19) Shield, Manual Shaft

20) Shaft & Seal pkg., manual (Exc. Counterbore Case)


The exploded view illustrates individual part placement in the assembly.